Схема видеокамеры Other SONY DCR-TRV890E/TRV900/TRV900E

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SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
OR DOTTED LINE WITH
ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
? LA S?CURIT?!
LES COMPOSANTS IDENTIF?S PAR UNE MARQUE
DIAGRAMMES SCH?MATIQUES ET LA LISTE DES PI?CES SONTCRITIQUES POUR LA S?CURIT? DE FONCTIONNEMENT. NEREMPLACER CES COMPOSANTS QUE PAR DES PI?SES SONYDONT LES NUM?ROS SONT DONN?S DANS CE MANUEL OUDANS LES SUPP?MENTS PUBLI?S PAR SONY.
Check the area of your repair for unsoldered or poorly-solderedconnections. Check the entire board surface for solder splashesand bridges.
Check the interboard wiring to ensure that no wires are"pinched" or contact high-wattage resistors.
Look for unauthorized replacement parts, particularlytransistors, that were installed during a previous repair. Pointthem out to the customer and recommend their replacement.
Look for parts which, through functioning, show obvious signsof deterioration. Point them out to the customer andrecommend their replacement.
Check the B+ voltage to see it is at the values specified.
Flexible Circuit Board Repairing
· Keep the temperature of the soldering iron around 270°C
during repairing.
· Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
· Be careful not to apply force on the conductor when soldering
or unsoldering.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer.
· SUPPLIED ACCESSORIES
Check that the following accessories are supplied with yourcamcorder.